1
.
| Nasal bone |
2
.
| Nasomaxillary suture |
3
.
| Perpendicular plate of ethmoid bone |
4
.
| Cleft to accommodate sphenoid process cartilaginous septum |
5
.
| Inferior nasal concha |
6
.
| Superior opening of incisive canal |
7
.
| Anterior nasal spine |
8
.
| Dental alveolus |
9
.
| Cribriform plate of ethmoidal bone |
10
.
| Sphenoid sinus |
11
.
| Upper pointer: Aperture of sphenoid sinus (margin partially cut away) Lower pointer: Tip of sphenoid (note small sutural bone beyond pointer) |
12
.
| Body sphenoid bone |
13
.
| Vomer (pointer on groove for nasopalatine nerve) |
14
.
| Lateral plate of pterygoid process |
15
.
| Medial plate of pterygoid process |
16
.
| Pterygoid hamulus |
17
.
| Nasal crest |
18
.
| Hard palate |
19
.
| Alveolar process of maxilla |